八年级英语下册 被动语态1课件 牛津版.ppt

thepassivevoice 被动语态 小竞赛 英语中有几种语态你知道吗 两种 是哪两种 主动语态和被动语态 英语动词有两种语态 主动语态和被动语态 主动语态表示主语是动作的执行者例如 manypeoplespeakenglish heopenedthedoor 他开了门wecanrepairthiswatchintwodays 被动语态表示主语是动作的承受者 例如 englishisspokenbymanypeople thedoorwasopened 门被开了 thiswatchcanberepairedbyusintwodays 语态分类 被动语态的构成被动语态由 助动词be 及物动词的过去分词 构成 助动词be的变化是通过人称 数和时态的变化表现出来的 一般现在时 am is are v p p 一般现在时的被动语态 arecorderisusedinourenglishclasseveryday footballisplayedallovertheworld camerasareusedfortakingphotos 被动语态的构成 be vt p p aknifeisusedforcutting aknifeisnotusedforcutting isaknifeusedforcutting yes itis no itisn t theflowersinthegarden water oncetwoweeks myhair notwash everyday english speak widelyintheworld iscleaned arewatered isn twashed is spoken 一般过去时的被动语态 thebankwasrobbedyesterday aman madesatellitewassentupintospacelastyear theshoesweresoldoutyesterday theshoeswerenotsoldoutyesterday weretheshoessoldoutyesterday yes theywere no theyweren t 被动语态的构成 be vt p p 一般过去时 was were v p p thecar steal threedaysago thetrees plant tenyearsago whenthetv invent mymathsbook notbring thismorning wasstolen wereplanted wasn tbrought was invented 情态动词的被动语态thiswatchcanberepairedintwodays yourbookmaybetakenaway thesetreesshouldbeplantedatonce 情态动词 aux v must can could may be v p p 被动语态的构成 be vt p p thiswatchcanberepairedintwodays thiswatchcannotberepaired canthiswatchberepairedintwodays yes itcan no itcan t yourhomeworkmust finish ontime thebadvegetableshouldnot eat yourclothesmay put here allofthesemathsexercisesmust finish today theworkcan do inanhour teenagersshouid notdrink wine befinished beeaten beput befinished bedone notbedrunk conclusion 一般现在时 am is are v p p 一般过去时 was were v p p 情态动词 aux v must can could may be v p p 被动语态的构成 be vt p p 被动语态 主语是动作的承受者 1 riceinthesouthofchina agrowsbisgrowncaregrowndgrew2 englishbyuseverymorning aisbreadscarereaddisread3 acarin1885 awereinventedbwasinventedcisinventeddinvented4 theshoplastnight aisrobbedbwasrobbedcarerobbeddopened5 theworkmustintwoweeks abefinishbbefinishedcfinishdwillfinis b d b b b 5 theworkmustintwoweeks abefinishbbefinishedcfinishdwillfinish6 thosethingsmaytotheroom amovebmovedcbemoveddaremoved7 wher